Main function
fn main() { println!("Hello, world!"); }
Async Main Function
#[tokio::main] async fn main() -> Result<(), Box<dyn std::error::Error>> { println!("I'm async!"); Ok(()) }
fn main() { println!("Hello, world!"); }
#[tokio::main] async fn main() -> Result<(), Box<dyn std::error::Error>> { println!("I'm async!"); Ok(()) }